5-Hydroxy-PGI1 piperazinylamides

ABSTRACT

The present invention provides 5-hydroxy-PGI 1 , piperazinylamides, which are useful pharmacological agents. These analogs of prostaglandin I 1  are useful for the stimulation of mammalian smooth muscle tissues.

CROSS REFERENCE TO RELATED APPLICATIONS

This application is a continuation-in-part of Ser. No. 815,649, filed July 14, 1977, issued at U.S. Pat. No. 4,110,532 on Aug. 29, 1978.

The present invention relates to 5-hydroxy PGI₁, piperazinylamides, the essential material constituting a disclosure thereof being thereby incorporated by reference from U.S. Pat. No. 4,110,532, issued Aug. 29, 1978. In particular the present invention relates to piperazinylamides of 5-hydroxy-PGI₁ corresponding to the various carboxylic acids disclosed and claimed in U.S. Pat. No. 4,110,532. 

We claim:
 1. A prostacyclin analog of the formula ##STR1## wherein Z₂ is ##STR2## wherein one of p or q is the integer zero or one and the other is the integer zero;Wherein Z₁ is(1) --(CH₂)_(g) --CH₂ --CH₂ --, (2) --(ch₂)_(g) --CH₂ --CF₂ --, or (3) trans-(CH₂)_(q) --CH═CH--, wherein g is the integer one, 2, or 3 when q is zero and zero, one, or 2 when q is one; Wherein R₈ is hydrogen, hydroxy, or hydroxymethyl; Wherein Y₁ is(1) trans--CH═CH--, (2) cis--CH═CH--, (3) --ch₂ ch₂ --, (4) trans--CH═C(Hal)--, or (5) --C.tbd.C-- wherein Hal is chloro or bromo; Wherein M₁ is ##STR3## wherein R_(s) is hydrogen or alkyl with one to 4 carbon atoms, inclusive: Wherein L₁ is ##STR4## or a mixture of ##STR5## wherein R₃ and R₄ are hydrogen, methyl, or fluoro, being the same or different, with the proviso that one of R₃ and R₄ is fluoro only when the other is hydrogen or fluoro; wherein R₂₁ and R₂₂ are hydrogen, alkyl of one to 12 carbon atoms, inclusive; aralkyl of 7 to 12 carbon atoms, inclusive, phenyl, phenyl substituted with one, 2, or 3 chloro or alkyl of one to 3 carbon atoms, inclusive, or phenyl substituted with hydroxycarbonyl or alkoxycarbonyl of one to 4 carbon atoms, inclusive; and wherein R₇ is(1) --(CH₂)₃ --CH₃, ##STR6## wherein h is the integer zero or one; s is the integer zero, one, 2, or 3; and T is chloro, fluoro, trifluoromethyl, alkyl of one to 3 carbon atoms, inclusive or with the proviso that not more than two T's are other than alkyl.
 2. A prostacyclin analog according to claim 1, wherein R₈ is hydroxymethyl.
 3. (5S)-11-Deoxy-11α-hydroxymethyl-5-hydroxy-6α-PGI₁, piperazinylamide, a prostacyclin analog according to claim
 2. 4. A prostacyclin analog according to claim 1, wherein R₈ is hydrogen.
 5. (5S)-11-Deoxy-5-hydroxy-6α-PGI₁, piperazinylamide, a prostacyclin analog according to claim
 4. 6. A prostacyclin analog according to claim 1, wherein R₈ is hydroxy.
 7. A prostacyclin analog according to claim 6, wherein q is one.
 8. 7α-Homo-2-nor-(5S)-5-hydroxy-6α-PGI₁, piperazinylamide, a prostacyclin analog according to claim
 7. 9. A prostacyclin analog according to claim 6, wherein p is one.
 10. 9-Hydroxymethyl-(5S)-5-hydroxy-6α-PGI₁, piperazinylamide, a prostacyclin analog according to claim
 9. 11. A prostacyclin analog according to claim 6, wherein Z₂ is ##STR7##
 12. A prostacyclin analog according to claim 6, wherein Z₂ is ##STR8##
 13. (5R)-5-Hydroxy-6β-PGI₁, piperazinylamide, a prostacyclin analog according to claim
 12. 14. A prostacyclin analog according to claim 6, wherein Z₂ is ##STR9##
 15. (5S)-5-Hydroxy-6α-PSI₁, piperazinylamide, a prostacyclin analog according to claim
 14. 16. (5S)-5-Hydroxy-15-methyl6α-PGI₁, piperazinylamide, a prostacyclin analog according to claim
 14. 17. (5S)-5-Hydroxy-16,16-dimethyl6α-PGI₁, piperazinylamide, a prostacyclin analoc according to claim
 14. 18. A prostacyclin analog according to claim 11, wherein Z₂ is ##STR10##
 19. A prostacyclin analog according to claim 18, wherein Y₁ is cis--CH═CH--.
 20. (5R)-5-Hydroxy-cis-13-6α-PGI₁, piperazinylamide, a prostacyclin analog according to claim
 19. 21. A prostacyclin analog according to claim 18, wherein Y₁ is --C.tbd.C--.
 22. (5R)-5-hydroxy-13,14-didehydro-6α-PGI₁, piperazinylamide, a prostacyclin analog according to claim
 21. 23. A prostacyclin analog according to claim 18, wherein Y₁ is trans--CH═C(Hal)--.
 24. (5R)-5-Hydroxy-14-choro-6α-PGI₁, piperazinylamide, a prostacyclin analog according to claim
 23. 25. A prostacyclin analog according to claim 18, wherein Y₁ is --CH₂ CH₂ --.
 26. (5R)-5-Hydroxy-13,14-dihydro-6α-PGI₁, piperazinylamide, a prostacyclin analog according to claim
 25. 27. A prostacyclin analog according to claim 18, wherein Y₁ is trans--CH═CH--.
 28. A prostacyclin analog according to claim 27, wherein Z₁ is --(CH₂)_(g) --CH₂ --CF₂ --.
 29. 2,2-Difluoro-(5R)-5-hydroxy-6α-PGI₁, piperazinylamide, a prostacyclin analog according to claim
 28. 30. A prostacyclin analog according to claim 27, wherein Z₁ is trans--(CH₂)_(g) --CH═CH--.
 31. trans-2,3-Didehydro-(5R)-5-hydroxy-6α-PGI₁, piperazinylamide a prostacyclin analog according to claim
 30. 32. A prostacyclin analog according to claim 27, wherein Z₁ is --(CH₂)_(g) --CH₂ --CH₂ --.
 33. A prostacyclin analog according to claim 32, wherein g is one.
 34. A prostacyclin analog according to claim 33, wherein R₇ is ##STR11##
 35. (5R)-5-Hydroxy-17-phenyl-18,19,20-trinor-6α-PGI₁, piperazinylamide, a prostacyclin analog according to claim
 34. 36. A prostacyclin analog according to claim 33, wherein R₇ is ##STR12##
 37. (5R)-5-Hydroxy-16-phenoxy-17,18,19,20-tetranor-6α-PGI₁, piperazinylamide, a prostacyclin analog according to claim
 36. 38. A prostacyclin analog according to claim 33, wherein R₇ is --(CH₂)₃ --CH₃
 39. A prostacyclin analog according to claim 38, wherein R₅ is methyl.
 40. (5R)-5-Hydroxy-15-methyl-6α-PGI₁, piperazinylamide, a prostacyclin analog according to claim
 39. 41. A prostacyclin analog according to claim 38, wherein R₅ is hydrogen.
 42. A prostacyclin analog according to claim 41, wherein at least one of R₃ and R₄ is fluoro.
 43. (5R)-5-Hydroxy-16,16-difluoro-6α-PGI₁, piperazinylamide, a prostacyclin analog according to claim
 42. 44. A prostacyclin analog according to claim 41, wherein at least one of R₃ and R₄ is methyl.
 45. (5R)-5-Hydroxy-16,16-dimethyl-6α-PGI₁, piperazinylamide, a prostacyclin analog according to claim
 44. 46. A prostacyclin analog according to claim 41, wherein R₃ and R₄ are both hydrogen.
 47. (5R)-5-Hydroxy-6α-PGI₁, piperazinylamide, a prostacyclin analog according to claim
 46. 